Galactic abundance gradients

B2FIND2026-04-04 收录

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Galactic abundance gradient. V.

This paper reports on the spectroscopic investigation of 12 Cepheids which are situated in the crucial region of galactocentric distances from 9kpc to 12kpc, where according to...

B2FIND20

Galactic metallicity gradients with PNe

We study the population of Galactic planetary nebulae (PNe) and their central stars (CSs) through the analysis of their distances and Galactic distribution. The PN distances are...

B2FIND00

Abundances in the Galactic disk

In table 3 we list all spectral lines that have been used in the determination of abundances. Column 1 gives the wavelength (in Angstrom), column 2 the lower excitation...

B2FIND10

Galactic abundance gradient. III.

As a continuation of our previous work, which concerned the radial abundance distribution in the galactic disc over the distances 4-10kpc this paper presents the first results...

B2FIND10

Galactic PNe abundances

New determinations of chemical abundances for He, N, O, Ne, Ar and S are derived for all galactic planetary nebulae (PNe) so far observed with a relatively high accuracy, in an...

B2FIND00